20980706

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{3659}}^1$

素因数の和:3769

約数の個数: 16

約数和(自身を含む): 32676480

約数和(自身を除く): 11695774

約数列:

[1, 2, 47, 61, 94, 122, 2867, 3659, 5734, 7318, 171973, 223199, 343946, 446398, 10490353, 20980706]

約数ペア:

[(1, 20980706), (2, 10490353), (47, 446398), (61, 343946), (94, 223199), (122, 171973), (2867, 7318), (3659, 5734)]